[vsnet-obs 52092] Re: [vsnet-alert 8501] SN 2005cs in M 51 !

[Lubos Brat - Penzion ALENA]

Hi all,

I'm reporting unfiltered CCD measurments made by P.Marek, SKYMASTER 
Observatory (www.skymaster.cz), Czech republic

SN2005cs 20050627.917 16C: PM
SN2005cs 20050627.963 15.6C PM

On CCD images (enclosed in attachment) ther can be clearly seen, that SN is 
rapidly brightening! Time difference between this two images is only 1,5 
hour.

Best regards
Lubos Brat
- MEDUZA Group



----- Original Message ----- 
From: "Hitoshi YAMAOKA" <yamaoka at rc.kyushu-u.ac.jp>
To: <vsnet-alert at kusastro.kyoto-u.ac.jp>; 
<vsnet-campaign-sn at kusastro.kyoto-u.ac.jp>; 
<vsnet-obs at kusastro.kyoto-u.ac.jp>
Sent: Thursday, June 30, 2005 4:17 PM
Subject: [vsnet-alert 8501] SN 2005cs in M 51 !


> SN2005cs  20050615.20  <190:C  KAI
> SN2005cs  20050620.598 <170:C  KIt
> SN2005cs  20050627.933  160:C  WKl
> SN2005cs  20050628.907  140:C  WKl
> SN2005cs  20050628.928  140:C  WKl
> SN2005cs  20050630.25   135:C  KAI
> SN2005cs  20050630.484  143C   KIt
>
> WKl: Wolfgang Kloehr, Germany (from IAUC)
>
> # SN 2005cs (13:29:52.85, +47:10:36.3 (J2000.0, KAIT position), offset
> # = 67" due south) is located on the southern arm of "Whirlpool
> # Galaxy" M 51.  On the pre-discovery image, there is a bright star
> # cluster and H II region.  It is possibly a gravitational-collapse of
> # a massive star, but the prompt spectral classification is urgently
> # needed, as well as the followup photometry. 
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